mm: fix page reclaim comment error
Since there are five lists in LRU cache, the array nr in get_scan_count should be: nr[0] = anon inactive pages to scan; nr[1] = anon active pages to scan nr[2] = file inactive pages to scan; nr[3] = file active pages to scan Signed-off-by: Wanpeng Li <liwp.linux@gmail.com> Reviewed-by: Rik van Riel <riel@redhat.com> Acked-by: Minchan Kim <minchan@kernel.org> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -1894,7 +1894,8 @@ static int vmscan_swappiness(struct mem_cgroup_zone *mz,
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* by looking at the fraction of the pages scanned we did rotate back
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* onto the active list instead of evict.
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*
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* nr[0] = anon pages to scan; nr[1] = file pages to scan
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* nr[0] = anon inactive pages to scan; nr[1] = anon active pages to scan
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* nr[2] = file inactive pages to scan; nr[3] = file active pages to scan
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*/
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static void get_scan_count(struct mem_cgroup_zone *mz, struct scan_control *sc,
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unsigned long *nr, int priority)
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